Webster's Revised Unabridged Dictionary · 1913

Machiavelian

Machiavelian , adjective

[From Machiavel (also called Machiavelli), an Italian writer, secretary and historiographer to the republic of Florence.]

Of or pertaining to Machiavelli, or to his supposed principles for conduct of government, as enunciated in his tract The Prince; politically cunning; characterized by duplicity, political expediency, unscrupulous cunning, or bad faith; crafty.

Also: Machiavellian

Machiavelian , noun

One who adopts the principles of Machiavelli; a cunning and unprincipled politician.

Also: Machiavellian